Packet sends with sz 0 do not work on Linux

zone/zone.cpp

@@ -1515,7 +1515,7 @@ void Zone::Repop(uint32 delay) {
 void Zone::GetTimeSync()
 {
 	if (worldserver.Connected() && !zone_has_current_time) {
-		auto pack = new ServerPacket(ServerOP_GetWorldTime, 0);
+		auto pack = new ServerPacket(ServerOP_GetWorldTime, 1);
 		worldserver.SendPacket(pack);
 		safe_delete(pack);
 	}